Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG811640897

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG811640897

Diamond specifications and retailer prices

From $806 USD
£635 GBP
As of October 30, 2026
Save $4,124 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,930 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.89ct lab-grown radiant diamond

This 1.89ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG811640897 or 811640897. Listed at 9 retailers as of October 30, 2026, with prices from $806 to $4,930, a $4,124 spread on the same certified stone. Do Amore Diamonds lists it at $4,930. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.89
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811640897
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811640897
Side View
Table 66.0%Crown 40.6°Girdle: MediumPavilion 37.4°Culet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,930 USD|Low: $575 USD|High: $6,010 USD|Avg: $2,314 USD|-12.3%
Do Amore Diamonds
Retailer 2
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Retailer 17
October 30, 2026
Retailer 4$575 USD
Retailer 5$623 USD
Retailer 10$806 USD
Retailer 13$1,062 USD
Retailer 3$1,107 USD
Retailer 12$1,110 USD
Retailer 17$1,383 USD
Retailer 6$1,558 USD
Retailer 14$1,648 USD
Retailer 7$1,679 USD
Retailer 16$2,244 USD
Retailer 8$3,131 USD
Retailer 11$3,317 USD
Retailer 9$3,443 USD
Retailer 2$4,210 USD
Retailer 15$4,565 USD
Do Amore Diamonds$4,930 USD

16 data points across 17 retailers

9 retailers$806 USD to $4,930 USD

A
Cheapest Retailer
-
$806 USD
£635 GBP
A
Retailer 2
-
$1,062 USD
View
B+
Retailer 3
-
$1,110 USD
View
B+
Retailer 4
-
$1,648 USD
View
B+
Retailer 5
-
$2,244 USD
View
B
Retailer 6
-
$3,317 USD
£2,612 GBP
View
B
Retailer 7
-
$4,210 USD
View
Retailer 8
-
$4,565 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-47372BC65 · Oct 30
$4,930 USD
View
8 more retailers have this diamond
Prices start from $806 USDSave up to $4,124 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.89ct Radiant
$806 USD